Re: Re: Re: Missing Graphics

*To*: mathgroup at smc.vnet.net*Subject*: [mg54327] Re: [mg54311] Re: [mg54274] Re: [mg54248] Missing Graphics*From*: DrBob <drbob at bigfoot.com>*Date*: Thu, 17 Feb 2005 10:30:45 -0500 (EST)*References*: <200502150438.XAA29742@smc.vnet.net> <200502161937.OAA19279@smc.vnet.net>*Reply-to*: drbob at bigfoot.com*Sender*: owner-wri-mathgroup at wolfram.com

Because the outputs aren't needed, I imagine. A semicolon after Map[...] prevents an output like this: {SurfaceGraphics[], Graphics[], ContourGraphics[], DensityGraphics[]} but so does Scan, and without generating a list that's never used. Bobby On Wed, 16 Feb 2005 14:37:05 -0500 (EST), Murray Eisenberg <murray at math.umass.edu> wrote: > Why Scan here instead of Map? > > David Park wrote: >> Bruce, >> >> The following works. >> >> g = Plot3D[Sin@x Cos@y, {x, -Pi, Pi}, {y, -Pi, Pi}, >> DisplayFunction -> Identity]; >> >> Scan[Show[#@g , >> DisplayFunction -> $DisplayFunction] &, {SurfaceGraphics, Graphics, >> ContourGraphics, >> DensityGraphics}]; >> >> But if we leave the DisplayFunction -> $DisplayFunction out of the Show >> statement, why does the Graphics case display? I would expect none of them >> to display. Is this another case where WRI has forgotten to copy over one of >> the options in the graphics conversion routines? > > -- > Murray Eisenberg murray at math.umass.edu > Mathematics & Statistics Dept. > Lederle Graduate Research Tower phone 413 549-1020 (H) > University of Massachusetts 413 545-2859 (W) > 710 North Pleasant Street fax 413 545-1801 > Amherst, MA 01003-9305 > > > > > -- DrBob at bigfoot.com www.eclecticdreams.net

**References**:**Re: Missing Graphics***From:*"David Park" <djmp@earthlink.net>

**Re: Re: Missing Graphics***From:*Murray Eisenberg <murray@math.umass.edu>